28659360896 has 64 divisors (see below), whose sum is σ = 59461155000. Its totient is φ = 13742432256.

The previous prime is 28659360881. The next prime is 28659360943. The reversal of 28659360896 is 69806395682.

It can be written as a sum of positive squares in 4 ways, for example, as 17731585600 + 10927775296 = 133160^2 + 104536^2 .

It is a tau number, because it is divible by the number of its divisors (64).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 527180 + ... + 578996.

Almost surely, 2^28659360896 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28659360896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29730577500).

28659360896 is an abundant number, since it is smaller than the sum of its proper divisors (30801794104).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28659360896 is a wasteful number, since it uses less digits than its factorization.

28659360896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52009 (or 51997 counting only the distinct ones).

The product of its (nonzero) digits is 33592320, while the sum is 62.

The spelling of 28659360896 in words is "twenty-eight billion, six hundred fifty-nine million, three hundred sixty thousand, eight hundred ninety-six".